.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: .44rem;
  background-color: #46b8da;

  h1 {
    text-align: center;
    line-height: .44rem;
    font-size: .18rem;
    color: #fff;
  }

  .icon {
    position: absolute;
    top: .08rem;
    right: .15rem;
    color: #fff;
  }
}